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Norm
ÖNORM EN 13234
Issue date: 2007 01 01
Advanced technical ceramics - Mechanical properties of ceramic composites at ambient temperature - Evaluation of the resistance to crack propagation by notch sensitivity testing
This European Standard describes a method for the classification of ceramic matrix composite (CMC)
materials with respect to their sensitivity to crack propagation using...
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Withdrawn
: 2022 06 01
Publisher:
Austrian Standards International
Format:
Digital | 15 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This European Standard describes a method for the classification of ceramic matrix composite (CMC)
materials with respect to their sensitivity to crack propagation using tensile tests on notched
specimens with different notch depths. Two classes of ceramic matrix composite materials can be
distinguished: materials whose strength is sensitive to the presence of notches and materials whose
strength is not affected. For sensitive materials, this European Standard defines a method for
determining equivalent fracture toughness.
The parameter, Keq, is defined as the fracture toughness of a homogeneous material which presents
the same sensitivity to crack propagation as the ceramic matrix composite material which is being
considered. The definition of the Keq parameter offers the possibility to compare ceramic matrix
composite materials with other materials with respect to sensitivity to crack propagation.
For notch insensitive materials, the concept of Keq does not apply.
This European Standard applies to all ceramic matrix composites with a continuous fibre
reinforcement, unidirectional (1 D), bidirectional (2 D), and tridirectional (x D, where 2 < x <= 3), loaded
along one principal axis of reinforcement.
ÖNORM EN ISO 18608
2022 06 01
Fine ceramics (advanced ceramics, advanced technical ceramics) - Mechanical properties of ceramic co...
Norm
ÖNORM EN 13234
2007 01 01
Advanced technical ceramics - Mechanical properties of ceramic composites at ambient temperature - E...
Norm
↖
ÖNORM ENV 13234
2001 12 01
Advanced technical ceramics - Ceramic composites - Mechanical properties at ambient temperature - Ev...
Vornorm Entwurf
ÖNORM ENV 13234
1999 02 01
Advanced technical ceramics - Ceramic composites - Mechanical properties at ambient temperature - Ev...
Vornorm
ÖNORM ENV 13234
1998 06 01
Advanced technical ceramics - Ceramic composites - Mechanical properties at ambient temperature - Ev...
Vornorm Entwurf
Draft
ISO/DIS 3611
Issue date :
2008 03 14
Geometrical product specifications (GPS) — Dimensional measuring equipment: Micrometers for external measurements — Design and metrological characteristics
Norm
ÖNORM EN ISO 7500-1
Issue date :
2005 02 01
Metallic materials - Verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Verification and calibration of the force-measuring system (ISO 7500-1:2004)
Norm
ISO 3611:2010
Issue date :
2010 10 19
Geometrical product specifications (GPS) — Dimensional measuring equipment: Micrometers for external measurements — Design and metrological characteristics
Norm
ÖNORM EN ISO 18608
Issue date :
2022 06 01
Fine ceramics (advanced ceramics, advanced technical ceramics) - Mechanical properties of ceramic composites at ambient temperature in air atmospheric pressure - Determination of the resistance to crack propagation by notch sensitivity testing (ISO 18608:2017)